<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<link rel="stylesheet" type="text/css" href="css/my.css"/>
		<style type="text/css">
			.color-blue {
				color: blue;
			}
			
			.style1 {
				color: red;
				font-size: 50px;
			}
			
			.style2 {
				color: red;
				text-decoration: underline;
			}
			
			.style3{
				text-decoration: underline;
				font-size: 50px;
			}
			
			.style4{
				color: red;
				text-decoration: underline;
				font-size: 50px;
			}
			
			.red {
				color: red;
			}
			
			.underline {
				text-decoration: underline;
			}
			
			.big-font {
				font-size: 50px;
			}
			
		</style>
	</head>
	<body>
		<fieldset id="">
			<legend></legend>
			<h1 style="color: red;">万老师</h1>
			<!-- h1.color-blue -->
			<h1 class="color-blue">赵老师</h1>
			<h1 class="color-yellow">孙老师</h1>
			
		</fieldset>
		<fieldset id="">
			<legend></legend>
			<p class="style1">段落1</p>
			<p  class="style2">段落2</p>
			<p  class="style3">段落3</p>
			<p  class="style4">段落4</p>
		</fieldset>
		<fieldset id="">
			<legend></legend>
			<p class="red big-font">段落1</p>
			<p  class="red underline">段落2</p>
			<p  class="underline big-font">段落3</p>
			<p  class="red underline big-font">段落3</p>
		</fieldset>
	</body>
</html>
